[K12OSN] Centos7 : some ( official )help wanted

Thu Jul 2 13:48:05 UTC 2015

I don't use either of those so I can't answer that.
On Jul 2, 2015 8:49 AM, "Radek Bursztynowski" <radek at bursztynowski.waw.pl>
wrote:

> Many thanks for information.
>
> Does Ubuntu stilll develop LTSP? And what about SUSE-KIWI?
>
> Best regards,
> Radek
>
> ------
>
> In order to develop K12Linux further, it will require developers. Warren
> brought it from Centos 5 to Centos 6. He did this working alone. To migrate
> it to Centos 7 will require new developers to step forward and take over. I
> don't think Warren is interested. It was hoped that RedHat would pick up
> K12linux. That doesn't seem to be an option any more as their focus is on
> VM technology.
>
> I can't take on this myself for many reasons. The main one is I see the
> spice/VM process as a better successor. My day job has me swamped so my
> time is zero.
>
> On Jul 2, 2015 3:20 AM, "Radek Bursztynowski" <radek at bursztynowski.waw.pl>
> wrote:
>
>
>
>
>
>
>
>
>
>
>
>         p { margin-bottom: 0.25cm; line-height: 120%; }
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>
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>
>
> Jim,
>
>
>
>
>
> Thanks you for your
>
> clear explanation. It means, that there are two separated cases. The
>
> first one is the K12Linux's usefulness and the second one closing
>
> down the project.  In spite of K12Linux's usefulness this project is
>
> shutting down. Is it appropriate understanding?
>
>
>
>
>
> If yes, I regret. I
>
> don't evaluate why, but I regret.
>
>
>
>
>
> Are there any
>
> chances to reanimate K12Linux project?
>
>
>
>
>
> Best regards,
>
>
>
> Radek
>
>
>
>
>
>
>
>
>
> ----- Original Message -----
>
> From: "Jim Kinney" <jim.kinney at gmail.com>
>
> Sent: Wed, 7/1/2015 9:10pm
>
> To: "Support list for open source software in schools." <k12osn at redhat.com
> >
>
> Subject: Re: [K12OSN] Centos7 : some ( official )help wanted
>
>
>
> On Wed, 2015-07-01 at 17:24 +0200, johan.vermeulen7 at telenet.be wrote:
>
>
>
> Van: "Warren Togami Jr." <warren at togami.com>
>
> Aan: "Support list for open source software in schools." <
> k12osn at redhat.com>
>
> Verzonden: Woensdag 1 juli 2015 17:09:42
>
> Onderwerp: Re: [K12OSN] Centos7 : some ( official )help wanted
>
>
>
> Disagree all you want.  If no developer is willing to do the work, then it
> cannot happen.
>
> On Tue, Jun 30, 2015 at 1:00 AM, <johan.vermeulen7 at telenet.be> wrote:
>
> Hello,
>
>
>
> I have good results on our first site where we run K12Linux on Centos7 and
> I am about to ugrade a second, larger
>
> site as well.
>
>
>
> I just had a look at the K12Linux website again and just wanted to say I
> don't agree with this:
>
>
>
> Modern users probably do not want to use this type of thin client because
> video (like Youtube) requires too much bandwidth over remote X desktops,
> and scalability of X over ssh encrypted tunnels is rather poor. K12Linux is
> considered a legacy solution for existing deployments of LTSP-type networks
> and is currently supported only on the legacy EPEL6 platform. Porting to
> more modern systemd-based Fedora and EPEL7 is technically possible but is
> not considered a priority given the drawbacks of the legacy LTSP solution.
>
>
>
> I think a lot of organsisations have employees who 's first priority is
> not watching youtube, all though my users have no problems with that on
> K12Linux.
>
> What hurts me is that because people can not get this to work on
> Centos7/Rhel7, they are moving to Ubuntu.
>
>
>
> I have K12Linux/Centos6 running for about 3 years, and it's incredibly
> robust. And I think it's the same on Centos7.
>
>
>
> greetings, Johan
>
>
>
> Warren,
>
>
>
> Then it should say on the site " no developer wants to do the work".
>
> Now it says K12Linux is legacy.
>
>
>
> And Warren, I am grateful for the work that you put in for K12Linux.
>
>
>
> What I'm saying here, and I think what Radek is saying, is it's not
> legacy, It works.
>
>
>
> Legacy doesn't mean it doesn't work. It simply means no further
> development will be done for that particular setup. Sometimes a program
> becomes legacy because no one is working on it. Sometimes because it get
> superseded by newer projects.
>
> K12Linux on CentOS 6 is a great tool. But porting it to be fully CentOS 7
> ready will require development from people other than Warren. K12Linux will
> be around for many more years since CentOS 6 will be around as well.
>
> I think it's time to look at alternate methods of achieving a similar
> result. The PXE boot aspect will need to stay but the server platform needs
> to be revisited. The IT world has embraced virtual machines. Maybe a thin
> client should be running a VM client that provides console to a remote VM
> running on a server farm. The spice client is remarkably light and can push
> screen bits as well if not better than NX and RDP (and way faster than X
> over SSH or VNC). Using a management tool like Ovirt would allow tech
> support to build and maintain student machines as pool devices and thus
> only require updates to a single machine. Some coding is required to
> provide a single sign on screen that would connect to the next available VM
> console (which then auto-mounts the students home directory). The VM client
> (spice) can be 32 bit as well as 64 so it will run on older client hardware
> and it supports USB pass through for thumb drives. Sound also works.
>
> 3 years ago I was doing a demo talk of Ovirt and connected through 2
> layers of VPNs back to my work lab to show both windows and Linux desktops.
> I started a browser and went to YouTube and the flash video played smoothly
> and with sound synched to the video.
>
> As KVM, the technology behind Ovirt virtual machines, supports "memory
> ballooning", different VMs that need to use the same block of memory can
> share the block (read only - best for OS and application memory) and thus
> can perform similar types of resource sharing that K12Linux provided. Best
> of all, each user is truly isolated from all the others so an application
> crash (ahem - flash) will only affect the single user even with shared
> memory.
>
>
>
> Greetings, Johan
>
>
>
>
>
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> For more info see <http://www.k12os.org>--
>
> James P. Kinney III
>
>
>
> Every time you stop a school, you will have to build a jail. What you
>
> gain at one end you lose at the other. It's like feeding a dog on his
>
> own tail. It won't fatten the dog.
>
> - Speech 11/23/1900 Mark Twain
>
>
>
> http://heretothereideas.blogspot.com/
>
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